178 results about "Carnauba wax" patented technology

To provide a highly diffusible cellulose nanofiber powder suitable for pelletizing resin master batches. [Solution] The cellulose nanofiber powder contains 75 to 90 weight % cellulose nanofiber, 10 to 20 weight % polyethylene glycol, 0.05 to 2.0 weight % ester-type dialkylammonium salt, 0.8 to 2.0 weight % silicone oil, and 0.2 to 0.8 weight % carnauba wax.

The invention relates to the technical field of cosmetics, and particularly discloses a sunscreen synergistic composition and application thereof, and the sunscreen synergistic composition comprises the following components: sugarcane extract, cyperus esculentus root oil, and Brazil palm wax (and) rice chaff wax. The sunscreen synergistic effect of the sunscreen synergistic composition is utilized, a chemical sunscreen agent with potential safety hazards can be partially replaced, the potential safety hazard coefficient is reduced due to the fact that all the sunscreen components are safe or the needed adding amount is low, and a sunscreen product which is high in sunscreen coefficient, mild in formula, low in potential safety hazards and even environmentally friendly is obtained.

The invention relates to the field of paint and ink additives, and particularly discloses a water-based bio-based anti-wear agent for water-based paint and ink and a preparation method of the water-based bio-based anti-wear agent. The invention discloses a water-based bio-based anti-wear agent for water-based paint ink and a preparation method thereof. The water-based bio-based anti-wear agent comprises the following raw materials in parts by weight: 30-50 parts of palm wax, 16-24 parts of rice bran wax, 2-8 parts of oleamide and 0.2-0.6 part of a reinforcing agent. In addition, the invention has the advantage of improving the environmental friendliness of the anti-wear agent.

The invention relates to a paper substrate bio-based high-barrier Pickering emulsion coating and a preparation method and application thereof, and belongs to the technical field of paper coatings, the prepared coating has excellent waterproof and oil-proof performance and is suitable for surface coating of substrates such as paper, the emulsion is prepared by taking glycerol as a plasticizer and chitosan as an oil-proof agent, and the emulsion is prepared by taking the chitosan as an oil-proof agent. The cellulose nanocrystal is used as an emulsifier, and the alkyl ketene dimer AKD and palm wax are used as an oil phase. After the emulsion is coated on the surface of paper, a high-barrier coating with a core-shell structure is formed, and the core-shell structure is clear through electron microscope observation; the hydrophobic angle of the coating can reach 130 degrees to the maximum, and the coating shows remarkable hydrophobicity and oil resistance. The coating is composed of bio-based materials, has the advantages of environmental protection and sustainability, is suitable for application requirements of degradable and green packaging, is simple in preparation process and excellent in performance, and can provide efficient barrier performance for paper packaging materials.

The invention relates to a starch type impregnating compound and a preparation method and application thereof, the impregnating compound comprises an active component and water, the active component comprises the following raw materials in parts by weight: 45-65 parts of a starch-based film-forming agent, 5-10 parts of a plasticizer, 15-20 parts of a lubricant, 1-2.5 parts of an emulsifier, 5-8 parts of a coupling agent, 1-2.5 parts of a softening agent, 0.5-1.5 parts of a preservative and 0.02-0.05 part of a defoaming agent; wherein the starch-based film-forming agent is a composition of potato oxidized hydroxypropyl starch, starch octenyl succinate and modified starch in a mass ratio of 1: (1.1-1.5): (0.5-0.8); the lubricant is a composition of carnauba wax and hydrogenated soybean oil. The impregnating compound disclosed by the invention can effectively improve the wear resistance of low-twist yarns, reduce hairiness and enhance bundling property and weaving performance, and can be used for preparing glass fiber spinning spun yarns.

The invention provides a preparation method of a trazodone hydrochloride sustained release tablet, and belongs to the technical field of medicine processing. The preparation method comprises the following steps: (1) mixing a trazodone hydrochloride raw material medicine, cane sugar, povidone and carnauba wax to obtain a mixture; (2) preparing the mixture into molten particles by adopting a hot-melt extrusion technology; and (3) cooling and sieving the molten particles, adding magnesium stearate, uniformly mixing, and tabletting to obtain the trazodone hydrochloride sustained-release tablet. The trazodone hydrochloride sustained release tablet comprises the following components in percentage by mass: 45%-55% of trazodone hydrochloride raw material medicine, 15%-35% of cane sugar, 5%-15% of povidone, 5%-15% of carnauba wax and 1%-5% of magnesium stearate. According to the invention, a hot melt extrusion technology is adopted, so that the raw materials can be highly dispersed within a short heating time, the loss of the raw materials is avoided, the production cost is reduced, and commercialized production is facilitated.

The invention discloses a corrugated carton with waterproof and antibacterial properties, and belongs to the technical field of logistics packaging materials. The corrugated carton is formed by bonding surface paper, inner paper and corrugated paper. The surface paper, the inner paper and the corrugated paper are coated with a layer of composite waterproof antibacterial emulsion before being bonded, and a layer of waterproof antibacterial film is obtained; the composite waterproof antibacterial emulsion is prepared from the following components in parts by weight: 40 to 50 parts of waterborne polyurethane, 30 to 35 parts of acrylic resin emulsion, 20 to 25 parts of modified palm wax emulsion, 8 to 10 parts of composite waterproof antibacterial material dispersion liquid, 4 to 6 parts of organic silicon waterproof agent, 3 to 5 parts of nano zinc oxide, 2 to 4 parts of propylene glycol methyl ether acetate, 0.5 to 2 parts of hydroxyethyl cellulose and 0.1 to 0.5 part of defoaming agent. The corrugated carton prepared by the invention has good adhesion, waterproofness and antibacterial property.

The invention provides a tandospirone citrate film-coated tablet and a preparation method thereof.The film-coated tablet comprises a tablet core and a coating, and the tablet core is prepared from tandospirone citrate, pregelatinized starch, corn starch, calcium carboxymethyl cellulose, polyvinyl alcohol EG-05P and magnesium stearate; according to the present invention, the coating powder comprising hydroxypropyl methylcellulose, concentrated glycerol, titanium dioxide and carnauba wax is adopted to coat the obtained tablet core, the use amount of each component and the coating weight gain ratio are controlled, the hygroscopicity of the tandospirone citrate is covered, and the fluidized bed granulation mode is adopted to substantially reduce the batch-to-batch difference, and simultaneously control the particle size of the bulk drug, according to the present invention, the dissolution rate of the sample can be always maintained within a certain range, and the dissolution RSD in the phosphate medium with the pH value of 6.8 for 5 min is far less than the dissolution RSD in the original development agent, such that the intra-batch uniformity is ensured, and the problems of non-uniform granulation, large inter-batch difference, and lactose intolerance due to the long-term use of lactose during the preparation process are solved.

The invention discloses a straw fiber-based antibacterial mulching film with temperature and humidity response performance and a preparation method, and belongs to the technical field of agricultural mulching films, the straw fiber-based antibacterial mulching film with temperature and humidity response performance comprises a bottom film layer, a slow release layer and a barrier layer in sequence from bottom to top; the slow-release layer is obtained by coating the base film layer with a mixed solution of acetic acid, a bactericide, gelatin and a plasticizer; the barrier layer is obtained by coating palm wax emulsion on the surface of the slow release layer. According to the invention, palm wax, a bactericide (carbendazim), gelatin and a wheat straw fiber-based mulching film are combined to construct the wheat straw fiber-based temperature and humidity response type bacteriostatic mulching film. The straw fiber-based antibacterial mulching film can respond according to the change of environmental temperature and humidity to realize accurate release of pesticides, so that diseases are accurately regulated and controlled.

The invention relates to the technical field of polypropylene films, and provides a heat-resistant biaxially oriented polypropylene film and a preparation method thereof. The heat-resistant biaxially oriented polypropylene film comprises a base layer and a surface layer arranged on the base layer, the base layer is prepared from, by weight, 100 parts of polypropylene resin, 10-20 parts of filler, 0.5-1 part of antioxidant, 1-2 parts of antistatic agent and 2-4 parts of slipping agent, and the filler is modifier modified mica powder. A modifier of the modifier modified mica powder comprises a compound containing carboxyl and a benzene ring and / or palm wax. According to the technical scheme, the problem of poor heat resistance of the biaxially oriented polypropylene film in the prior art is solved.

The invention discloses a method for quantitatively testing the content of organic carbon and disseminated particle size in gold ore, and belongs to the technical field of gold ore detection. The method comprises the steps of sample preparation and quantitative testing, wherein palm wax serves as a cementing agent, barite serves as a standard sample, and a to-be-tested sample is prepared through melting, mixing, consolidation, polishing and carbon spraying; the quantitative test is based on an automatic process mineralogy test system, palm wax backgrounds are removed through backgrounds deduction, an energy spectrum library is established to recognize organic carbon and barite particles, the area ratio of the organic carbon and the barite particles is measured, the mass ratio is converted by combining the density ratio, the organic carbon content of raw ore is inversely calculated, and meanwhile, the particle size distribution of the organic carbon is counted. The method solves the problem that the content and granularity of organic carbon cannot be accurately quantified at the same time in the prior art, has the advantages of high test precision, high efficiency, comprehensive parameters and simplicity and convenience in operation, and can provide key data for optimization of a gold ore cyanidation leaching process.

The invention discloses a degradable hot melt adhesive and a preparation method thereof, and relates to the technical field of hot melt adhesives. A degradable hot melt adhesive comprises 50-64 parts of matrix resin, 18-24 parts of tackifying resin, 3.2-4.5 parts of polyethylene wax, 1.5-2.4 parts of a biological wax material, 10-16 parts of modified starch particles and 0.8-1.2 parts of an antioxidant, the matrix resin comprises EVA resin and PHBV resin, and the tackifying resin comprises C5 hydrogenated petroleum resin and rosin polyol ester. The biological wax material comprises any one of soybean wax, beeswax or palm wax. The EVA resin and the PHBV resin are used as matrix resin, and a plurality of bio-based additives are matched, so that the degradation efficiency of the hot melt adhesive is greatly improved, the hot melt adhesive can be fully degraded or hydrolyzed by microorganisms in the environment after being discarded, and the hot melt adhesive has certain environmental protection property.

The invention relates to the technical field of polyester degradable plastics, and discloses a biodegradable shrink film as well as a preparation method and application thereof. The preparation method of the biodegradable shrink film comprises the following steps: reacting (R)-3-hydroxybutyric acid with 1, 4-dibromobutane to obtain a dihydric alcohol monomer; the preparation method comprises the following steps: copolymerizing a dihydric alcohol monomer and L-lactide to obtain modified polylactic acid; carrying out copolymerization on the geraniol-based compound and L-lactide to obtain a bio-based plasticizer; modifying the bio-based plasticizer with allyl trimethyl ammonium chloride to obtain a modified bio-based plasticizer; the biodegradable shrink film is prepared by taking modified polylactic acid, poly (butylene adipate-co-terephthalate), a modified bio-based plasticizer, a functional filler and palm wax as raw materials. The biodegradable shrink film has the advantages of flexibility, shrinkage performance, lasting antibacterial performance and good barrier performance, and can be used in food packaging materials.

The invention relates to the technical field of conductive coatings, and discloses a weather-resistant bio-based conductive coating based on water-based palm wax / shellac and a preparation method thereof, the weather-resistant bio-based conductive coating comprises the following raw materials by mass: 20-30 parts of a natural palm wax nano emulsion, 70-80 parts of a shellac ethanol solution, 1-3 parts of Tween 80, and 30-80 parts of a silver coated copper powder / carbon nanofiber composite material. According to the scheme, the super-hydrophobic barrier is constructed by introducing the water-based palm wax, the moisture absorption rate is reduced, electrochemical corrosion and stress stripping are effectively reduced, and the service life of a base material is prolonged. Meanwhile, lac is added in the scheme, a three-dimensional network structure is formed through crosslinking of the water-based palm wax emulsion and biomass hydroxyl, and the flexibility and moisture resistance of the coating are effectively improved. Specifically, according to the scheme, the water-based palm wax and the shellac are combined and used, so that the weather resistance of the coating is effectively improved, for example, the moisture absorption rate of the coating is reduced to 12% (ASTMD570 standard), and the flexibility of the coating is improved (the elongation at break gt; 50%), the moisture resistance is improved by 3 times (the water vapor permeability lt; 10 g / m < 2 >. Day).

The invention relates to the technical field of synthetic resin, in particular to biodegradable synthetic resin and a preparation method thereof.The synthetic resin is a three-layer co-extrusion film composed of an outer layer, a middle layer and an inner layer; the outer layer is prepared from the following components: racemic polylactic acid, ethyl cellulose, a silane coupling agent KH-560 and carnauba wax; the middle layer comprises the following components: PLA (polylactic acid), PBAT (poly (butylene adipate-co-terephthalate)), cellulose aerogel, epoxy oleic acid pentaerythritol ester, liquid paraffin and stearic acid; the inner layer is prepared from the following components: polyhydroxyalkanoate, poly-L-lactic acid, ethylene-acrylate-maleic anhydride copolymer, acetyl tributyl citrate, TMP (trimethylolpropane) and tert-butylhydroquinone. The PLA and the PBAT are used as main materials of the middle layer, the cellulose aerogel and the epoxy oleic acid pentaerythritol ester are compounded to serve as the compatilizer, the interfacial compatibility of the PLA and the PBAT is improved, the product uniformity is good, and the mechanical property is excellent.

The invention discloses a composite membrane based on sodium carboxymethyl cellulose and a preparation method of the composite membrane, and belongs to the technical field of polymer composite membranes. According to the invention, sodium carboxymethyl cellulose is used as a basic membrane, then by optimizing formula components and adding starch, cellulose nanocrystals and tannic acid to generate interaction force, the cross-linking property of a system can be increased, a matrix structure is strengthened, the mechanical property of the composite membrane is further increased, and the smoothness of the surface of the composite membrane is increased under the assistance of the action of carnauba wax; the plasticizer can increase the flexibility of the composite membrane, antibacterial groups can be carried by adding antibacterial particles and high-molecular sodium carboxymethyl cellulose groups, the composite membrane is endowed with remarkable antibacterial performance, and modified diatomite loaded sodium dehydroacetate also has a certain antibacterial effect and a synergistic effect, so that the antibacterial performance is more excellent, and the modified diatomite loaded sodium dehydroacetate can be inserted into a system; when the composite film is applied to food packaging, the shelf life of food can be prolonged.

The invention discloses a soft capsule coating agent which comprises the following components in percentage by mass: 40-60% of pectin, 15-30% of a humectant, 10-20% of medium chain triglyceride, 10-20% of carnauba wax, 5-10% of hydroxypropyl methyl cellulose and 0.1-10% of glycerol, wherein the humectant is prepared from at least one of sorbitol, xylitol and isomaltitol. The invention also discloses a preparation method of the soft capsule coating agent and a soft capsule containing the soft capsule coating agent. According to the soft capsule coating agent disclosed by the invention, the problems of high-temperature and high-humidity deformation and caking of soft capsules and aging of capsule skins after long-time storage can be improved, and meanwhile, the soft capsule coating agent is good in barrier property and better in protection of soft capsule products.

The invention relates to the technical field of soldering flux processing, in particular to a high-humidity type halogen-free soldering flux and a preparation method. The high-humidity type halogen-free scaling powder is prepared from, by weight, 20%-30% of a film-forming agent, 4%-8% of an active agent, 5%-10% of palm wax, 0.5%-1% of a corrosion inhibitor, 2%-5% of a thixotropic agent, 0.2%-0.6% of dimethylamine hydrochloride, 1%-2% of chlorinated rare earth salt, 5%-10% of a modifier and the balance solvent, and the modifier is obtained by mixing castor oil, octadecanamide and glycerin. The wettability of the halogen-free soldering flux prepared through the compound formula in the welding process is greatly improved, a molten pool is more stable, and welding defects are reduced. Meanwhile, due to the introduction of the modifier, especially the mixture of castor oil, octadecanamide and glycerol, the thermal stability of the scaling powder is improved, the risk that a traditional active agent is decomposed at high temperature is reduced, release of harmful gas and formation of residues are reduced, and the welding quality is guaranteed.

The invention belongs to the technical field of preparation of nail polish compositions, particularly relates to a bio-based perfume nail polish composition and a preparation method thereof, and provides the following scheme aiming at the problems of high emission of volatile organic compounds (VOC), serious environmental pollution, potential health risks and the like due to the fact that existing nail polish usually uses a petroleum-based solvent and synthetic resin. The invention relates to a sugarcane-fermented ethanol beverage which comprises the following raw materials in parts by weight: 30-60 parts of sugarcane-fermented ethanol, according to the invention, sugarcane fermented ethanol, acetyl tributyl citrate, diethyl lauroyl glutamate, zein, konjac glucomannan, abietic acid methacrylate, neroli oil, cananga odorata oil, sodium alginate, chitosan, mineral mica, alkannin, panthenol, organic bentonite, carnauba wax nanoparticles and a photoinitiator are used; the pollution to the environment and the dependence on non-renewable resources are effectively reduced, and the potential harm to human health is reduced.

The invention discloses a preparation method of nano high-stability retinol, which comprises the following steps: S1, preparing a water phase solution containing retinol, 1, 3-propylene glycol, sodium cocoamphoacetate, tocopheryl acetate, butylated hydroxytoluene, butylated hydroxyanisole and xanthan gum; s2, uniformly mixing retinol and natural carnauba wax according to a certain proportion, then heating to a molten state, and then quickly cooling to form a nano-sized wax wrapping structure, so as to form nano-particles with the particle size of about 220nm; s3, adding the nano-particles into the water phase solution until the nano-particles are uniformly distributed in the solution to form a faint yellow to yellow viscous suspension; and S4, filtering the mixed suspension at the temperature of not more than 40 DEG C, filling a finished product, and sealing and storing the finished product. And S5, testing the finished product to ensure that the quality of the product meets the standard. According to the invention, the long-term storage stability of the retinol is improved, and the infiltration capacity and safety of the retinol to the skin are also enhanced.

The invention provides a bio-based water-based polymer foam inhibitor and a preparation method thereof, and the bio-based water-based polymer foam inhibitor comprises the following raw materials in parts by weight: 5-15 parts of water-based acrylate polymer, 1-2 parts of bio-based hydrophobic particles (polylactic acid or carnauba wax), and the balance of water. 70-90 parts of bio-based quick bubble-breaking effective substances (soybean oil polyol and polycarbonate diol), and 6-10 parts of bio-based emulsifiers (bio-based polyethylene glycol and lecithin). The invention can provide an environment-friendly, efficient and stable foam inhibition solution, is suitable for various industrial fields, and reduces the negative influence on the environment at the same time.

The present invention discloses an aqueous release coating, which comprises the following components by mass percentage: paraffin emulsion 30-40%, palm wax emulsion 30-40%, polyethylene wax emulsion 15-30%, release force regulator 1-3%, surfactant 1-3%, and aqueous polymer resin 1-3%. The present invention also discloses a preparation method of the aqueous release coating and its application in thermal transfer labels. The aqueous release coating disclosed by the present invention has no ink residue on the surface of the paper after release, and the aqueous release coating does not add organic solvents, has no VOC emissions, is environmentally friendly, has low cost, and the raw materials are friendly to the human body, and can be applied to the fields where human contact is possible.

The invention relates to the technical field of candle coloring processes, in particular to a candle coloring method based on natural water-soluble vegetable dye, which comprises the following steps: S1, plant pigment extraction, S2, wax base pretreatment, S3, gradient coloring, S4, color fixation treatment and S5, storage in dark. Natural plants are adopted as plant dye to replace traditional petroleum-based chemical dye, decomposition products after combustion can be naturally degraded, the environment-friendly and safe effects are achieved, through innovative emulsification system construction and a gradient coloring technology, lecithin is used as a dispersing agent, three-section type temperature gradient stirring is combined, pigment evenly permeates into a wax base, and the color fastness is improved. The palm wax is added to enhance the adhesive force, and the alum solution is used for mordanting, so that the stability of the plant pigment and the antioxidant protection of the vitamin E are remarkably improved, and the pigment attenuation caused by ultraviolet rays is effectively delayed; therefore, a safe, non-toxic and color-lasting coloring solution is provided for the candle industry.

The invention relates to the field of coatings, and discloses a method for constructing a fluoride-free wear-resistant transparent super-hydrophobic coating, which comprises the following steps: (1) carrying out surface roughening treatment on wood; (2) wood is immersed in the oil-phase impregnation liquid at 75-85 DEG C, and wood with an uncured hydrophobic layer on the surface is obtained after the wood is taken out; the oil phase impregnation liquid comprises carnauba wax, tung oil and ethyl acetate; (3) the wood is immersed in hydrophobic nano-silica dispersion liquid with the temperature 50-60 DEG C lower than that of the oil-phase impregnation liquid, an uncured hydrophobic layer is cooled and cured into a cured hydrophobic layer with a micron-sized rough surface, and hydrophobic nano-silica is attached to the surface of the cured hydrophobic layer; and taking out, ventilating and drying, enabling the tung oil to permeate into the wood and generate crosslinking, and finally constructing and forming the fluoride-free wear-resistant transparent super-hydrophobic coating on the surface of the wood. According to the method, the super-hydrophobic coating with the micro-nano structure can be constructed on the surface of the wood, and the super-hydrophobic coating has high wear resistance and high transparency.

The application provides a wax emulsion for cotton fiber finishing and a preparation method thereof, and relates to the technical field of cotton fiber finishing. The wax emulsion for cotton fiber finishing comprises 36-38 parts of paraffin wax and Brazil palm wax, 4-6 parts of an emulsifier, 0.01-0.2 parts of an acid and 56-60 parts of water. The mass ratio of the paraffin wax and the Brazil palm wax is (8-12):1. The mass ratio of the total amount of the paraffin wax and the Brazil palm wax to the emulsifier is (6-9):1. The emulsifier comprises non-ionic emulsifiers and cationic emulsifiers in a mass ratio of (1-5):1. The non-ionic emulsifiers are fatty alcohol polyoxyethylene ethers. The wax emulsion has a small amount of emulsifier, a particle size of less than 100 nm, and does not separate or precipitate at room temperature. The wax emulsion can be effectively combined with cotton fibers, can be used for yarn softening finishing, can improve the wear resistance and softness of cotton fibers, and can ensure a high strength retention of cotton fibers.

The present invention provides an aqueous anti-corrosion coating and a preparation method thereof, belonging to the technical field of coating preparation, and comprising the following steps: S1. Prepare modified carnauba wax micro needles: Add molten carnauba wax into a glass fiber dispersion liquid, stir evenly to obtain a mixed solution; Pour the above-mentioned mixed solution into a mold, cool and solidify, and obtain modified carnauba wax micro needles after drying; S2. Take an aqueous acrylic resin and an aqueous epoxy resin, add a solvent and stir at a low speed, add a wetting agent and an anti-foaming agent and stir at a high speed; Add modified TiO2 nanoparticles, a siloxanyl acrylate, modified SiO2 nanoparticles and modified carnauba wax micro needles, mix and disperse evenly to obtain an aqueous anti-corrosion coating. The technical solution provided by the present invention realizes the purpose of simultaneously improving the matte performance and waterproof performance of the coating, and achieves the effect of maintaining anti-corrosion.

The invention relates to the technical field of oil paints, in particular to an oil paint and a preparation method thereof. The oil paint is prepared from the following raw materials in parts by weight: 60-80 parts of oil, 40-50 parts of toner, 20-30 parts of filler, 20-30 parts of palm wax, 5-7 parts of stearic acid, 5-7 parts of dammar resin, 4-6 parts of polyamide resin and 2-4 parts of lubricating oil. According to the invention, after the ox horn powder is subjected to enzymolysis treatment, residual animal fat in the ox horn powder is hydrolyzed into glycerol and free fatty acid by lipase, so that the grease content of the ox horn powder is reduced, meanwhile, the compact structure of keratin can be destroyed, the porosity and specific surface area of the ox horn powder are increased, and the binding capacity of the ox horn powder with other components is improved; and toner particles can be fixed through Van der Waals' force, and dissociation and migration of the toner in a pigment coating are reduced, so that the toner is firmly anchored in a filler network and is not easy to fall off even if the toner is rubbed by external force, and the color fastness of the oil paint is effectively improved.

To provide a non-fire-spreading grease composition with excellent non-flammability and water resistance, and also to provide a bearing or gear containing the non-fire-spreading grease composition.SOLUTION: The non-fire-spreading grease composition according to the present invention comprises the following materials (a) to (d): (a) as a thickening agent, a diurea compound represented by the following formula (1): R1-NHCONH-R2-NHCONH-R3 (1) (wherein R2 represents an aromatic hydrocarbon group having 6 to 15 carbon atoms, and R1 and R3 may be the same or different and represent an aliphatic hydrocarbon group having 8 to 20 carbon atoms or an aromatic hydrocarbon group having 6 to 15 carbon atoms, the proportion of aliphatic hydrocarbon groups in the total of R1 and R3 is 50 to 100 mol%); (b) a base oil having a kinematic viscosity of 300 mm2 / s or more at 40°C; (c) at least one selected from the group consisting of rice wax, carnauba wax, and montanic acid derivatives; and (d) at least one selected from the group consisting of organic sulfonic acid metal salts, sodium sebacate, and glycerin.SELECTED DRAWING: None

The present invention relates to drinking straws that are made from biodegradable material or bioplastics. The process to manufacture the present invention can use waste lipid wax byproducts. The present invention can incorporate chemical modification of corn or hemp fiber waste, and is comprised of wax byproduct, xanthan gum, carnauba wax and stearic acid. Stearin, hardener and plasticizers are mixed with corn or soy wax. A binder ingredient can be added to the waxes and fiber mixture, resulting in a smooth and hard, durable and biodegradable material with a high melting point. This material is then processed using an extrusion method, whereby the mixed ingredients are forced through an opening in a perforated plate or die with a design specific to form a straw, and then cut into a specific size by blades. The extruder consists of a large, rotating screw tightly fitting within a stationary barrel, at the end of which is the die. Extrusion enables mass production of food via a continuous, efficient system that ensures uniformity of the final product.

This invention discloses a method for preparing high-performance wood wax oil, belonging to the field of coating technology. The raw materials used in this wood wax oil are soybean oleic acid, maleic anhydride, grafting catalyst, glycerol, phthalic anhydride, esterification catalyst, vanadium drier, zirconium drier, carnauba wax, and beeswax. Compared to wood wax oils based on tung oil and linseed oil, the wood wax oil of this invention uses soybean oleic acid as the main material, utilizing maleic anhydride to perform graft copolymerization at the α-position of the carbon-carbon double bond in soybean oleic acid, thereby increasing the iodine value of the resin system. Increased iodine value leads to increased crosslinking points, thus ensuring drying properties and improving the hardness, drying performance, and yellowing resistance of the wood wax oil; weather resistance is significantly improved, and drying time is accelerated; no heavy metal driers such as cobalt and manganese are added, making it environmentally friendly; the preparation process of the wood wax oil of this invention is simple and easy to operate, with low material costs.